>> >thanks for the reply, the block device can be determined with the major
>> >and minor numbers , what I would be more interested in is if one can get
>> >the net_device struct from the file struct
>>
>> Just how are you supposed to match files and network devices?
>>
>
>from the struct file you can get the struct socket and from there to the
>struct sock .
That only applies when using PF_LOCAL sockets.
>What I would like to find out is where the data is coming
>from (read) and where it is going to(write) or if it is even possible to
>find the net device out using the struct file.
I really don't get what you want.
Suppose a daemon reads from a socket (PF_INET), then there is a file descriptor
to sockfs (look into /proc/$$/fd/). Well, then you may be able to get the
struct file for that socket, but it does not connect to a regular file
(S_IFREG) at all.
-`J'
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